Disinfectant system for use with residential aerobic...

Details Disinfectant system for use with residential aerobic... Disinfectant system for use with residential aerobic...

2007-01-26

2010-11-23

Cecil, Terry K (Department: 1797)

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Proportionate feed means

C210S127000, C210S205000, C210S207000, C222S056000

Reexamination Certificate

active

07837867

ABSTRACT:
A system for introducing a liquid disinfectant into treated wastewater comprising a source of liquid disinfectant, a sensor to detect flow or level of treated wastewater from a wastewater treatment system, a selectively operable valve to allow the liquid disinfectant to flow via gravity into the treated wastewater and a controller operatively connected to the sensor to open the valve in response to sensed, increased flow or level of the treated wastewater in a receiver for the wastewater above a sensed, predetermined point.

REFERENCES:
patent: 3727632 (1973-04-01), Pansini
patent: 3996139 (1976-12-01), Prince et al.
patent: 4019983 (1977-04-01), Mandt
patent: 5019250 (1991-05-01), Lorenzen
patent: 5221470 (1993-06-01), McKinney
patent: 5770081 (1998-06-01), McKinney
patent: 6627071 (2003-09-01), Braden
patent: 6932912 (2005-08-01), Chaffin
patent: 2003/0155311 (2003-08-01), Chaffin

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